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Grade 250 Maraging Steel vs. EN 1.4859 Stainless Steel

Both grade 250 maraging steel and EN 1.4859 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 250 maraging steel and the bottom bar is EN 1.4859 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 7.3 to 17
23
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
490
Tensile Strength: Yield (Proof), MPa 660 to 1740
210

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1480
1410
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 32
36
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 4.9
6.2
Embodied Energy, MJ/kg 65
88
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 16
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 150
91
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 61
17
Strength to Weight: Bending, points 26 to 40
17
Thermal Shock Resistance, points 29 to 54
11

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 7.0 to 8.5
0
Iron (Fe), % 66.3 to 71.1
40.3 to 49
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 4.6 to 5.2
0 to 0.5
Nickel (Ni), % 17 to 19
31 to 33
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0.5 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.3 to 0.5
0
Zirconium (Zr), % 0 to 0.020
0